Divide 48 by 3 to figure out how many km/h it is going so...
48/3=16
and if you are using sig figs it would still be 16.
The least common denominator would be B. 36
198 is between
-- any integer less than 198
and
-- any integer greater than 198 .
Circumference = 3.1415 (pi) x diameter
44 = 3.1414 x diameter
Diameter = 14.006 or 14 (aprox)